<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<script>
  var CheckObject = function(){
    this.checkName = function(){
      // 验证姓名
      console.log('name checked')
    }
    this.checkEmail = function(){
      // 验证邮箱
    }
    this.checkPassword = function(){
      // 验证密码
    }
  }
  var a = new CheckObject();
  a.checkName()
</script>
</body>
</html>